<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch"
             label-width="68px" style="display: flex; justify-content: flex-end;">
      <el-form-item label="公告标题" prop="title">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入公告标题"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="发布日期" prop="postDate">
        <el-input
          v-model="queryParams.postDate"
          placeholder="请输入发布日期"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-divider content-position="left">公告信息<span style="color: #999; font-size: 10px;"></span></el-divider>
    </el-row>

    <el-table v-loading="loading" :data="announcementsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="公告标题" align="center" prop="title" />
      <el-table-column label="公告内容" align="center" prop="content" />
      <el-table-column label="公寓名称" align="center" prop="apartmentName" />
      <el-table-column label="发布日期" align="center" prop="postDate" />
      <el-table-column label="发布人" align="center" prop="postedName" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改公告信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="公告标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入公告标题" />
        </el-form-item>
        <el-form-item label="公告内容">
          <el-input
            type="textarea"
            :rows="3"
            placeholder="请输入内容"
            v-model="form.content">
          </el-input>
        </el-form-item>

        <el-form-item label="公寓名称" prop="apartmentId">
          <el-select v-model="form.apartmentId" clearable placeholder="请选择">
            <el-option
              v-for="item in apartmentList"
              :key="item.apartmentId"
              :label="item.apartmentName"
              :value="item.apartmentId">
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listAnnouncements, getAnnouncements, delAnnouncements, addAnnouncements, updateAnnouncements } from "@/api/business/announcements";
import {getElderApartment} from "@/api/business/elderInfo";

export default {
  name: "Announcements",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 公告信息表格数据
      announcementsList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        apartmentId: null,
        title: null,
        content: null,
        postDate: null,
        expiryDate: null,
        postedName: null,
        postedId: null
      },
      user:{},
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        apartmentId: [
          { required: true, message: "公寓ID不能为空", trigger: "blur" }
        ],
        title: [
          { required: true, message: "公告标题不能为空", trigger: "blur" }
        ],
        content: [
          { required: true, message: "公告内容不能为空", trigger: "blur" }
        ],
        postDate: [
          { required: true, message: "发布日期不能为空", trigger: "blur" }
        ],
        postedName: [
          { required: true, message: "发布人不能为空", trigger: "blur" }
        ],
      },
      apartmentList:{},
    };
  },
  created() {
    this.getList();
    this.getElderApartmentInfo();
    this.user = this.$store.state.user;
  },
  methods: {
    /** 查询公告信息列表 */
    getList() {
      this.loading = true;
      listAnnouncements(this.queryParams).then(response => {
        this.announcementsList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    getElderApartmentInfo(){
      getElderApartment().then(response =>{
        this.apartmentList = response.rows
      })
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        apartmentId: null,
        title: null,
        content: null,
        postDate: null,
        expiryDate: null,
        postedName: null,
        postedId: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加公告信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      this.form.postedId = this.user.id;
      getAnnouncements(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改公告信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          this.form.postedId = this.user.id;
          if (this.form.id != null) {
            updateAnnouncements(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addAnnouncements(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除公告信息编号为"' + ids + '"的数据项？').then(function() {
        return delAnnouncements(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('business/announcements/export', {
        ...this.queryParams
      }, `announcements_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
